'Self-seeker' definitions:

Definition of 'self-seeker'

(from WordNet)
noun
A person who places expediency above principle [syn: opportunist, self-seeker]

Definition of 'Self-seeker'

From: GCIDE
  • Self-seeker \Self"-seek`er\, n. One who seeks only his own interest, advantage, or pleasure. [1913 Webster]